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Aluminosilicate Glass


Aluminosilicate Glass

Aluminosilicate glass has alumina (Al2O3), and boron oxide (B2O3) as its ingredients. It’s properties are similar to borosilicate glass, but it exhibits better chemical resistance and a higher operating temperature of up to 600 °C. Owed to good thermal shock resistance and this high operating temperature, the material is highly suited to use as gauge glass.

Aluminosilicate glass has thermal expansion characteristics which are similar to the properties of molybdenum products, which allows its use in conjunction with materials such as molybdenum wire, in the manufacture of halogen lamps and other electronics.

Aluminosilicate glass can also be reinforced or strengthened through processes such as Ion Exchange or Toughening. High Ion-Exchange (HIE™) aluminosilicate glass is a strong, lightweight, and flexible glass that achieves high levels of damage resistance for scratch, break, impact and shock, combined with good optical clarity. Alkali-aluminosilicate sheet glass, on the other hand is a specialized toughened glass, the key feature of which is achieving thinness without fragility. This results in excellent performance in mechanical properties such as surface compressive strength, hardness and damage resistance. Aluminosilicate glass, and reinforced varieties of it are increasingly being used for electronics and hand-held devices such as cellphone, in resilient screens or as protective coatings.

Applications

  • Electronics
  • Optics and Optical Grade use
  • Luminescent Displays

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Goodfellow Catalogue

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